Mode of



JONES, EELLS & GRISWOLD.

Garriage Spring.

Patented July 16, 1838.

UNITED sT TEs PATEN oEEIoE.

JOSHUA JONES, A. M. EEL s, AND HoRAoE GRiswoLD. oroELAwAnE oouiv'iy; NEW

' YORK. A

MODE 0F APPLYINGsrnrNes ,To oAREIAGEs.

Specification of Letters Patent No. 842, dated Ju1y 16, 1838.

To all whom it may concern Be it known that we, JOSHUA JoNEs, ALAN M.Firms, and HORACE Gmswono, of the county of Delaware and State of NewYork, have invented a new and Improved Mode of Applying or AdaptingCoiled or Spiral Springs to Carriages of Pleasure or Burden; and wehereby declare the following to be a full and exact description.

A spiral spring similar in its construction to the main spring of awatch, inclosed in a.

barrel or cylinder of any convenient diameter, is fixed on axes near themiddle of the perch of the carriage. From the periphery of the barrelcontaining the spring, and from opposite sides thereof two bands areextended one passing to the front and the other toward the rear of thecarriage, each of which bands is attached to the end of a lever passingdownward from a cross piece or bar passing across each end of the wagonabove the axletree and parallel with it. At each end of these crosspieces or bars is also a shorter lever or arm passing toward the middleof the carriage in a direction at right angles (or nearly so) with thedownward lever before mentioned. To these shorter levers or arms thecarriage body or box is attached at each corner, by a connecting rod andshackles, or if thought preferable by thorough braces. The leverspassing downward from the before mentioned cross bars, and to which thebands passing from the before mentioned spiral spring are attached, arelonger than the arm projecting from the same bar to sustain thecarriage, by which means the spring operates with increased power on theprojecting arms for sustaining the body of the carriage. On the lowerend of each downward lever is fixed the segment of a circle of which thelever is the radius, by which means the action of the spring is mademore equal, the connecting band being kept at all times equidistantfromthe upper end or fulcrum of the downward lever. The cross pieces towhich the arms and levers are attached rest upon perpendicular supportsor standards of iron or other material, at each end of the bolster oraxletree, and move upon their axes on the supports or standards asinfluenced by 1 the VlbIEliLIOHS of the spiral spring of the carriage.On one end of the cylinder con-.

taining the spiral spring, is placed a ratchet wheel and catchdesignedfor winding up'the spring to any degree of tensionthat may be requiredfor sustaining eitheifa' lightor a heavy burden.

Two or more spiral springs may be employed lnstead of one for heavyCELIIIHgGS,

either by placing more than one spring in the barrel, or by placing anynumber of barrels on a connecting shaft, in which case a correspondingnumber of connecting bands will be required.

What we claim as our invention and de sire to secure by Letters Patentis- The combination of the mode of hanging the carriage body (by meansof the axles, arms, downward levers, &c-.) with the spring or springsconstructed and operating substantially as herein described, and also,in combination therewith, the mode of regulating the tension of thespring or springs in manner as herein described.

Explanation of the drawings which are atfor holding the ratchet wheel; 6e, movable shackles connecting the body of the carriage with the armsprojecting from the cross bar;

f f, standards for sustaining the cros'sbars; (Z (Z, levers passingdownward from the cross bars and operated on by the spring a, by

means of the connecting bands k, h; 0 0, short arms or levers projectingfrom the cross bars for sustaining the body of the carriage,

Fig. 2.. View of the spiral spring with the barrel which incloses ituncapped; g. g,

the'ba'r'rel containing the spiral spring; 7th, connecting bands whichwind onwthe' barrel as it revolves; 2' '5, thespiral spring.

Fig. 3. One of the cross bars to Which the levers are attaohedgl Z, thebar, the gudgeons of which 1), 41, Fig. 3, pass through the standards atf f in Fig. 1; 7c is, the short arms or levers projecting from the crossbars for sustaining the carriage, showing the joints to which themovable shakles are attached; d, d, the lever passing downward fromwhich the connecting band passes to g V s42 the periphery of the barrelcontaining the 10 spring.

JOSHUA JONES. ALAN MoEELLS. HORACE GRISWOLD.

WVitnesses:

CHAs. HATHAWAY, E. M. LEAL.

